FEATURE AUTOMOTIVE ELECTRONICS
SURROUND VISION FOR DRIVERS: The ultimate in driver safety awareness Socionext has developed a 360o
360O Wrap-Around View System for the ultimate in driver awareness, allowing users to monitor their vehicle’s perimeter in real time, with advanced 3D video imaging
has been developed using a video-processing chip that combines video images from the four cameras - the MB86R24 Graphics Display Controller by Socionext, which adopts the 600MHz ARM Cortex-A9 dual CPU core and supports the open standard API formats such as Open GL ES2.0. The MB86R24 integrates graphics, central processors, memory controllers and power management, supporting the 360o
Video Figure 1 & 2:
The MB86R24 graphics display controller from Socionext in automotive application
W
hether it is commuting, going shopping, taking the children to
school, or just for fun, driving is an essential part of everyday life. Whatever the circumstances it should be an enjoyable and pleasant experience, but it is often stressful and dangerous. Drivers have to navigate their vehicles in a variety of situations – such as parking, turning, merging into traffic – which demand immediate visual checks of their surroundings. When designing vehicles, safety is a key issue. Drivers need to be totally aware of their surroundings always, and this is where the Socionext 360o
Wrap-Around View System comes
in, by allowing the driver to monitor the vehicle’s perimeter in real time. The system consists of four movable
cameras, which are mounted on to the front, sides, and rear of the vehicle. It allows smooth transitions from one view to another by continuously interpolating points of view, fields of view and sight lines, without the driver noticing changes in the level of brightness. Drivers are therefore able to quickly get an overview of their situation, all from a single view. ‘Free-eye point’ technology is also installed in the system which enables the driver to see images from anywhere around the vehicle. The driver can use this feature to select the best viewpoint for any given situation, e.g. by zooming in to check the curb side for pedestrians or cyclists when turning. Or, when reversing the vehicle, the technology allows the driver to see what is
10 MARCH 2017 | ELECTRONICS
Imaging Technology. It provides outstanding graphic rendering and is well suited for the most demanding displays. Optimal CPU and GPU performance ensures rapid processing and sharp images, and the six full HD input channels and three display output controllers allow highly flexible input-to-output constellations. The MB86R24 architecture has been
optimised for the simultaneous use of all functional blocks, virtually eliminating performance gaps. Simultaneous rendering of independent 2.5D and 3D graphics is possible with its harmonised structure. The chip can capture multiple video streams, even taking input from six cameras at the same time, and display content from multiple sources. It features USART, I2
C, ADC, High Speed SPI or
CAN, as well as USB and SDMMC controllers. This device supports up to 2GB of 64-bit DDR2-800 or DDR3-1066 memory and uses a unified architecture that allows seamless access to the memory by the processor core and the graphics engine.
behind, but still maintaining a view of the sides, front and surrounding areas. The ‘Free- eye point’ and the algorithms thatthat seamlessly stitch together the four independent camera images are two major features, which give designers the freedom in designing their systems. Plus, they have the flexibility to change the perspective, in order to give the driver the best possible view there is.
the four sed “High- resolution images
High-resolution images from a mega-pixel camera are combined and synthesised into a single 3D image in real-timeim and projected onto a three-dimensional mesh, generating a virtual 3D video. This video is then converted into views from any desired perspective.
e -dim ion 3Dvideo Thi video Socionext This unique software and hardware solution
www.eu.socionext.com T: +49-6103 37450
/ ELECTRONICS
from a mega-pixel camera are combined and synthesised into a single 3D image in real- time and projected onto a three-dimensional mesh, generating a virtual 3D video....”
The complexity and sophistication of both the graphics display controller and the 360° Wrap-Around View system are indisputable, meaning that the design and tests of the final visual application will require a certain degree of expertise before placing the customer’s solution into a car. Being aware of the difficulties that might arise, Socionext provides a set of design tools intended to ease the way of the developer into the system in order to create the desired points-of- viview according to the requirements
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